Science

Monday, 9 November 2026
13 facts about tears
13 facts about tears
Multipurpose liquid
Associated with emotions, tears are a product of lacrimal glands, found in the eyes of most terrestrial vertebrates. Although their primary function i ...

Did you know?

Phobos
Phobos was photographed by the following probes: Mariner 7, Mariner 9, Viking 1, Phobos 2, Mars Global Surveyor, Mars Express, and Mars Reconnaissance Orbiter.
Amber
Amber possesses electrostatic properties.
It can produce static electricity when negatively charged by applying friction. Because of that, ancient Greeks named amber “elektron,” which became the basis for the word electricity.
Brain
Brain cells are produced throughout life.
Until the publication of research on neurogenesis in 2018, it was assumed that the process of creating neurons ends in childhood.
Large Magellanic Cloud
The Large Magellanic Cloud will collide with the Milky Way in about 2.4 billion years.
Tears
Tears are primarily made of water.
They also consist of fatty oils, salt, and proteins.
NASA
President John F. Kennedy set NASA a goal—to send men to the Moon, and bring them back home safely.
NASA responded to Kennedy’s famous speech, known as “We Choose the Moon,” with the Apollo program (1960-1972).
Amber
The majority of amber in use is between 30 to 90 millions years old.
Anorexia Nervosa
Anorexia is considered a disease of psychological origin.
The sufferer is usually found to have malnutrition of various degrees, with secondary hormonal and metabolic changes and dysfunction.
Earth
The Earth orbits the sun in an elliptical orbit in 365.235 days.
The average distance from the Sun is 150 million km and ranges from 147.09 million km at the periapsis to 152.09 million km at the apsis.
Brain
The brain develops and matures until around the age of 25.
During the first year of life, an infant's brain enlarges threefold.